.codeViewer {
  background: #fff;
  position: absolute;
  overflow: scroll;
  padding: 0 10px 20px;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  user-select: text;
}

.codeViewer > * {
  max-width: 80%;
  margin-top: 10px;
}

.codeViewer > pre {
  white-space: pre-wrap;
}

.codeViewer.loading {
  align-items: center;
}

.codeViewer {
  @font-face {
    font-family: octicons-link;
    src: url(data:font/woff;charset=utf-8;base64,d09GRgABAAAAAAZwABAAAAAACFQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABEU0lHAAAGaAAAAAgAAAAIAAAAAUdTVUIAAAZcAAAACgAAAAoAAQAAT1MvMgAAAyQAAABJAAAAYFYEU3RjbWFwAAADcAAAAEUAAACAAJThvmN2dCAAAATkAAAABAAAAAQAAAAAZnBnbQAAA7gAAACyAAABCUM+8IhnYXNwAAAGTAAAABAAAAAQABoAI2dseWYAAAFsAAABPAAAAZwcEq9taGVhZAAAAsgAAAA0AAAANgh4a91oaGVhAAADCAAAABoAAAAkCA8DRGhtdHgAAAL8AAAADAAAAAwGAACfbG9jYQAAAsAAAAAIAAAACABiATBtYXhwAAACqAAAABgAAAAgAA8ASm5hbWUAAAToAAABQgAAAlXu73sOcG9zdAAABiwAAAAeAAAAME3QpOBwcmVwAAAEbAAAAHYAAAB/aFGpk3jaTY6xa8JAGMW/O62BDi0tJLYQincXEypYIiGJjSgHniQ6umTsUEyLm5BV6NDBP8Tpts6F0v+k/0an2i+itHDw3v2+9+DBKTzsJNnWJNTgHEy4BgG3EMI9DCEDOGEXzDADU5hBKMIgNPZqoD3SilVaXZCER3/I7AtxEJLtzzuZfI+VVkprxTlXShWKb3TBecG11rwoNlmmn1P2WYcJczl32etSpKnziC7lQyWe1smVPy/Lt7Kc+0vWY/gAgIIEqAN9we0pwKXreiMasxvabDQMM4riO+qxM2ogwDGOZTXxwxDiycQIcoYFBLj5K3EIaSctAq2kTYiw+ymhce7vwM9jSqO8JyVd5RH9gyTt2+J/yUmYlIR0s04n6+7Vm1ozezUeLEaUjhaDSuXHwVRgvLJn1tQ7xiuVv/ocTRF42mNgZGBgYGbwZOBiAAFGJBIMAAizAFoAAABiAGIAznjaY2BkYGAA4in8zwXi+W2+MjCzMIDApSwvXzC97Z4Ig8N/BxYGZgcgl52BCSQKAA3jCV8CAABfAAAAAAQAAEB42mNgZGBg4f3vACQZQABIMjKgAmYAKEgBXgAAeNpjYGY6wTiBgZWBg2kmUxoDA4MPhGZMYzBi1AHygVLYQUCaawqDA4PChxhmh/8ODDEsvAwHgMKMIDnGL0x7gJQCAwMAJd4MFwAAAHjaY2BgYGaA4DAGRgYQkAHyGMF8NgYrIM3JIAGVYYDT+AEjAwuDFpBmA9KMDEwMCh9i/v8H8sH0/4dQc1iAmAkALaUKLgAAAHjaTY9LDsIgEIbtgqHUPpDi3gPoBVyRTmTddOmqTXThEXqrob2gQ1FjwpDvfwCBdmdXC5AVKFu3e5MfNFJ29KTQT48Ob9/lqYwOGZxeUelN2U2R6+cArgtCJpauW7UQBqnFkUsjAY/kOU1cP+DAgvxwn1chZDwUbd6CFimGXwzwF6tPbFIcjEl+vvmM/byA48e6tWrKArm4ZJlCbdsrxksL1AwWn/yBSJKpYbq8AXaaTb8AAHja28jAwOC00ZrBeQNDQOWO//sdBBgYGRiYWYAEELEwMTE4uzo5Zzo5b2BxdnFOcALxNjA6b2ByTswC8jYwg0VlNuoCTWAMqNzMzsoK1rEhNqByEyerg5PMJlYuVueETKcd/89uBpnpvIEVomeHLoMsAAe1Id4AAAAAAAB42oWQT07CQBTGv0JBhagk7HQzKxca2sJCE1hDt4QF+9JOS0nbaaYDCQfwCJ7Au3AHj+LO13FMmm6cl7785vven0kBjHCBhfpYuNa5Ph1c0e2Xu3jEvWG7UdPDLZ4N92nOm+EBXuAbHmIMSRMs+4aUEd4Nd3CHD8NdvOLTsA2GL8M9PODbcL+hD7C1xoaHeLJSEao0FEW14ckxC+TU8TxvsY6X0eLPmRhry2WVioLpkrbp84LLQPGI7c6sOiUzpWIWS5GzlSgUzzLBSikOPFTOXqly7rqx0Z1Q5BAIoZBSFihQYQOOBEdkCOgXTOHA07HAGjGWiIjaPZNW13/+lm6S9FT7rLHFJ6fQbkATOG1j2OFMucKJJsxIVfQORl+9Jyda6Sl1dUYhSCm1dyClfoeDve4qMYdLEbfqHf3O/AdDumsjAAB42mNgYoAAZQYjBmyAGYQZmdhL8zLdDEydARfoAqIAAAABAAMABwAKABMAB///AA8AAQAAAAAAAAAAAAAAAAABAAAAAA==);
  }

  .markdown-body {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    color: #333;
    background-color: #fff;
    font-size: 16px;
    line-height: 1.6;
    word-wrap: break-word;
    padding: 1em 0;
  }

  .markdown-body a {
    background-color: transparent;
  }

  .markdown-body a:active,
  .markdown-body a:hover {
    outline: 0;
  }

  .markdown-body strong {
    font-weight: bold;
  }

  .markdown-body h1 {
    font-size: 2em;
    margin: 0.67em 0;
  }

  .markdown-body img {
    border: 0;
  }

  .markdown-body hr {
    box-sizing: content-box;
    height: 0;
  }

  .markdown-body pre {
    overflow: auto;
    display: block;
    padding: 1em;
    background: #333;
    color: white;
    border: 1px solid #cccccc;
    border-radius: 3px 3px 3px 3px;
    font-size: 13px !important;
    line-height: 1.3em !important;
  }

  .markdown-body code,
  .markdown-body kbd,
  .markdown-body pre {
    font-family: monospace, monospace;
    font-size: 1em;
  }

  .markdown-body input {
    color: inherit;
    font: inherit;
    margin: 0;
  }

  .markdown-body html input[disabled] {
    cursor: default;
  }

  .markdown-body input {
    line-height: normal;
  }

  .markdown-body input[type='checkbox'] {
    box-sizing: border-box;
    padding: 0;
  }

  .markdown-body table {
    border-collapse: collapse;
    border-spacing: 0;
  }

  .markdown-body td,
  .markdown-body th {
    padding: 0;
  }

  .markdown-body * {
    box-sizing: border-box;
  }

  .markdown-body input {
    font: 13px / 1.4 Helvetica, arial, nimbussansl, liberationsans, freesans, clean, sans-serif, 'Apple Color Emoji',
      'Segoe UI Emoji', 'Segoe UI Symbol';
  }

  .markdown-body a {
    color: #4078c0;
    text-decoration: none;
  }

  .markdown-body a:hover,
  .markdown-body a:active {
    text-decoration: underline;
  }

  .markdown-body hr {
    height: 0;
    margin: 15px 0;
    overflow: hidden;
    background: transparent;
    border: 0;
    border-bottom: 1px solid #ddd;
  }

  .markdown-body hr:before {
    display: table;
    content: '';
  }

  .markdown-body hr:after {
    display: table;
    clear: both;
    content: '';
  }

  .markdown-body h1,
  .markdown-body h2,
  .markdown-body h3,
  .markdown-body h4,
  .markdown-body h5,
  .markdown-body h6 {
    margin-top: 15px;
    margin-bottom: 15px;
    line-height: 1.1;
  }

  .markdown-body h1 {
    font-size: 30px;
  }

  .markdown-body h2 {
    font-size: 21px;
  }

  .markdown-body h3 {
    font-size: 16px;
  }

  .markdown-body h4 {
    font-size: 14px;
  }

  .markdown-body h5 {
    font-size: 12px;
  }

  .markdown-body h6 {
    font-size: 11px;
  }

  .markdown-body blockquote {
    margin: 0;
  }

  .markdown-body ul,
  .markdown-body ol {
    padding: 0;
    margin-top: 0;
    margin-bottom: 0;
  }

  .markdown-body ol ol,
  .markdown-body ul ol {
    list-style-type: lower-roman;
  }

  .markdown-body ul ul ol,
  .markdown-body ul ol ol,
  .markdown-body ol ul ol,
  .markdown-body ol ol ol {
    list-style-type: lower-alpha;
  }

  .markdown-body dd {
    margin-left: 0;
  }

  .markdown-body code {
    font-family: Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    font-size: 12px;
  }

  .markdown-body pre {
    margin-top: 0;
    margin-bottom: 0;
    font: 12px Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  }

  .markdown-body .select::-ms-expand {
    opacity: 0;
  }

  .markdown-body .octicon {
    font: normal normal normal 16px/1 octicons-link;
    display: inline-block;
    text-decoration: none;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }

  .markdown-body .octicon-link:before {
    content: '\f05c';
  }

  .markdown-body:before {
    display: table;
    content: '';
  }

  .markdown-body:after {
    display: table;
    clear: both;
    content: '';
  }

  .markdown-body > *:first-child {
    margin-top: 0 !important;
  }

  .markdown-body > *:last-child {
    margin-bottom: 0 !important;
  }

  .markdown-body a:not([href]) {
    color: inherit;
    text-decoration: none;
  }

  .markdown-body .anchor {
    display: inline-block;
    padding-right: 2px;
    margin-left: -18px;
  }

  .markdown-body .anchor:focus {
    outline: none;
  }

  .markdown-body h1,
  .markdown-body h2,
  .markdown-body h3,
  .markdown-body h4,
  .markdown-body h5,
  .markdown-body h6 {
    margin-top: 1em;
    margin-bottom: 16px;
    font-weight: bold;
    line-height: 1.4;
  }

  .markdown-body h1 .octicon-link,
  .markdown-body h2 .octicon-link,
  .markdown-body h3 .octicon-link,
  .markdown-body h4 .octicon-link,
  .markdown-body h5 .octicon-link,
  .markdown-body h6 .octicon-link {
    color: #000;
    vertical-align: middle;
    visibility: hidden;
  }

  .markdown-body h1:hover .anchor,
  .markdown-body h2:hover .anchor,
  .markdown-body h3:hover .anchor,
  .markdown-body h4:hover .anchor,
  .markdown-body h5:hover .anchor,
  .markdown-body h6:hover .anchor {
    text-decoration: none;
  }

  .markdown-body h1:hover .anchor .octicon-link,
  .markdown-body h2:hover .anchor .octicon-link,
  .markdown-body h3:hover .anchor .octicon-link,
  .markdown-body h4:hover .anchor .octicon-link,
  .markdown-body h5:hover .anchor .octicon-link,
  .markdown-body h6:hover .anchor .octicon-link {
    visibility: visible;
  }

  .markdown-body h1 {
    padding-bottom: 0.3em;
    font-size: 2.25em;
    line-height: 1.2;
    border-bottom: 1px solid #eee;
  }

  .markdown-body h1 .anchor {
    line-height: 1;
  }

  .markdown-body h2 {
    padding-bottom: 0.3em;
    font-size: 1.75em;
    line-height: 1.225;
    border-bottom: 1px solid #eee;
  }

  .markdown-body h2 .anchor {
    line-height: 1;
  }

  .markdown-body h3 {
    font-size: 1.5em;
    line-height: 1.43;
  }

  .markdown-body h3 .anchor {
    line-height: 1.2;
  }

  .markdown-body h4 {
    font-size: 1.25em;
  }

  .markdown-body h4 .anchor {
    line-height: 1.2;
  }

  .markdown-body h5 {
    font-size: 1em;
  }

  .markdown-body h5 .anchor {
    line-height: 1.1;
  }

  .markdown-body h6 {
    font-size: 1em;
    color: #777;
  }

  .markdown-body h6 .anchor {
    line-height: 1.1;
  }

  .markdown-body p,
  .markdown-body blockquote,
  .markdown-body ul,
  .markdown-body ol,
  .markdown-body dl,
  .markdown-body table,
  .markdown-body pre {
    margin-top: 0;
    margin-bottom: 16px;
  }

  .markdown-body hr {
    height: 4px;
    padding: 0;
    margin: 16px 0;
    background-color: #e7e7e7;
    border: 0 none;
  }

  .markdown-body ul,
  .markdown-body ol {
    padding-left: 2em;
  }

  .markdown-body ul ul,
  .markdown-body ul ol,
  .markdown-body ol ol,
  .markdown-body ol ul {
    margin-top: 0;
    margin-bottom: 0;
  }

  .markdown-body li > p {
    margin-top: 16px;
  }

  .markdown-body dl {
    padding: 0;
  }

  .markdown-body dl dt {
    padding: 0;
    margin-top: 16px;
    font-size: 1em;
    font-style: italic;
    font-weight: bold;
  }

  .markdown-body dl dd {
    padding: 0 16px;
    margin-bottom: 16px;
  }

  .markdown-body blockquote {
    padding: 0 15px;
    color: #777;
    border-left: 4px solid #ddd;
  }

  .markdown-body blockquote > :first-child {
    margin-top: 0;
  }

  .markdown-body blockquote > :last-child {
    margin-bottom: 0;
  }

  .markdown-body table {
    display: block;
    width: 100%;
    overflow: auto;
    word-break: normal;
    word-break: keep-all;
  }

  .markdown-body table th {
    font-weight: bold;
  }

  .markdown-body table th,
  .markdown-body table td {
    padding: 6px 13px;
    border: 1px solid #ddd;
  }

  .markdown-body table tr {
    background-color: #fff;
    border-top: 1px solid #ccc;
  }

  .markdown-body table tr:nth-child(2n) {
    background-color: #f8f8f8;
  }

  .markdown-body img {
    max-width: 100%;
    box-sizing: content-box;
    background-color: #fff;
  }

  .markdown-body code {
    padding: 0;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(0, 0, 0, 0.04);
    border-radius: 3px;
  }

  .markdown-body code:before,
  .markdown-body code:after {
    letter-spacing: -0.2em;
    content: '\00a0';
  }

  .markdown-body pre > code {
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: normal;
    white-space: pre;
    background: transparent;
    border: 0;
  }

  .markdown-body .highlight {
    margin-bottom: 16px;
  }

  .markdown-body .highlight pre {
    margin-bottom: 0;
    word-break: normal;
  }

  .markdown-body pre {
    word-wrap: normal;
  }

  .markdown-body pre code {
    display: inline;
    max-width: initial;
    padding: 0;
    margin: 0;
    overflow: initial;
    line-height: inherit;
    word-wrap: normal;
    background-color: transparent;
    border: 0;
  }

  .markdown-body pre code:before,
  .markdown-body pre code:after {
    content: normal;
  }

  .markdown-body kbd {
    display: inline-block;
    padding: 3px 5px;
    font-size: 11px;
    line-height: 10px;
    color: #555;
    vertical-align: middle;
    background-color: #fcfcfc;
    border: solid 1px #ccc;
    border-bottom-color: #bbb;
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 #bbb;
  }

  .markdown-body .pl-c {
    color: #969896;
  }

  .markdown-body .pl-c1,
  .markdown-body .pl-s .pl-v {
    color: #0086b3;
  }

  .markdown-body .pl-e,
  .markdown-body .pl-en {
    color: #795da3;
  }

  .markdown-body .pl-s .pl-s1,
  .markdown-body .pl-smi {
    color: #333;
  }

  .markdown-body .pl-ent {
    color: #63a35c;
  }

  .markdown-body .pl-k {
    color: #a71d5d;
  }

  .markdown-body .pl-pds,
  .markdown-body .pl-s,
  .markdown-body .pl-s .pl-pse .pl-s1,
  .markdown-body .pl-sr,
  .markdown-body .pl-sr .pl-cce,
  .markdown-body .pl-sr .pl-sra,
  .markdown-body .pl-sr .pl-sre {
    color: #183691;
  }

  .markdown-body .pl-v {
    color: #ed6a43;
  }

  .markdown-body .pl-id {
    color: #b52a1d;
  }

  .markdown-body .pl-ii {
    background-color: #b52a1d;
    color: #f8f8f8;
  }

  .markdown-body .pl-sr .pl-cce {
    color: #63a35c;
    font-weight: bold;
  }

  .markdown-body .pl-ml {
    color: #693a17;
  }

  .markdown-body .pl-mh,
  .markdown-body .pl-mh .pl-en,
  .markdown-body .pl-ms {
    color: #1d3e81;
    font-weight: bold;
  }

  .markdown-body .pl-mq {
    color: #008080;
  }

  .markdown-body .pl-mi {
    color: #333;
    font-style: italic;
  }

  .markdown-body .pl-mb {
    color: #333;
    font-weight: bold;
  }

  .markdown-body .pl-md {
    background-color: #ffecec;
    color: #bd2c00;
  }

  .markdown-body .pl-mi1 {
    background-color: #eaffea;
    color: #55a532;
  }

  .markdown-body .pl-mdr {
    color: #795da3;
    font-weight: bold;
  }

  .markdown-body .pl-mo {
    color: #1d3e81;
  }

  .markdown-body kbd {
    display: inline-block;
    padding: 3px 5px;
    font: 11px Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    line-height: 10px;
    color: #555;
    vertical-align: middle;
    background-color: #fcfcfc;
    border: solid 1px #ccc;
    border-bottom-color: #bbb;
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 #bbb;
  }

  .markdown-body .task-list-item {
    list-style-type: none;
  }

  .markdown-body .task-list-item + .task-list-item {
    margin-top: 3px;
  }

  .markdown-body .task-list-item input {
    margin: 0 0.35em 0.25em -1.6em;
    vertical-align: middle;
  }

  .markdown-body :checked + .radio-label {
    z-index: 1;
    position: relative;
    border-color: #4078c0;
  }

  .markdown-body code,
  .markdown-body tt {
    background-color: #f8f8f8;
    border: 1px solid #eaeaea;
    border-radius: 3px 3px 3px 3px;
    margin: 0 2px;
    padding: 0 5px;
    white-space: nowrap;
  }
  .markdown-body pre > code {
    background: none repeat scroll 0 0 transparent;
    border: medium none;
    margin: 0;
    padding: 0;
    white-space: pre;
    color: inherit;
    text-shadow: none;
  }
  .markdown-body pre code,
  .markdown-body pre tt {
    background-color: transparent;
    border: medium none;
  }

  .markdown-body ul {
    display: block;
    list-style-type: disc;
  }
  .markdown-body ol {
    display: block;
    list-style-type: decimal;
  }
  .markdown-body li {
    display: list-item;
    text-align: match-parent;
  }
}

// 代码样式
.mdcode {
  /**
  * prism.js tomorrow night eighties for JavaScript, CoffeeScript, CSS and HTML
  * Based on https://github.com/chriskempson/tomorrow-theme
  * @author Rose Pritchard
  */
  * {
    background: none !important;
    text-shadow: none !important;
  }
  code[class*='language-'],
  pre[class*='language-'] {
    color: #ccc;
    background: none;
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    font-size: 1em;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    word-wrap: normal;
    line-height: 1.5;

    -moz-tab-size: 4;
    -o-tab-size: 4;
    tab-size: 4;

    -webkit-hyphens: none;
    -moz-hyphens: none;
    -ms-hyphens: none;
    hyphens: none;
  }

  /* Code blocks */
  pre[class*='language-'] {
    padding: 1em;
    margin: 0.5em 0;
    overflow: auto;
  }

  :not(pre) > code[class*='language-'],
  pre[class*='language-'] {
    background: #2d2d2d;
  }

  /* Inline code */
  :not(pre) > code[class*='language-'] {
    padding: 0.1em;
    border-radius: 0.3em;
    white-space: normal;
  }

  .token.comment,
  .token.block-comment,
  .token.prolog,
  .token.doctype,
  .token.cdata {
    color: #999;
  }

  .token.punctuation {
    color: #ccc;
  }

  .token.tag,
  .token.attr-name,
  .token.namespace,
  .token.deleted {
    color: #e2777a;
  }

  .token.function-name {
    color: #6196cc;
  }

  .token.boolean,
  .token.number,
  .token.function {
    color: #f08d49;
  }

  .token.property,
  .token.class-name,
  .token.constant,
  .token.symbol {
    color: #f8c555;
  }

  .token.selector,
  .token.important,
  .token.atrule,
  .token.keyword,
  .token.builtin {
    color: #cc99cd;
  }

  .token.string,
  .token.char,
  .token.attr-value,
  .token.regex,
  .token.variable {
    color: #7ec699;
  }

  .token.operator,
  .token.entity,
  .token.url {
    color: #67cdcc;
  }

  .token.important,
  .token.bold {
    font-weight: bold;
  }
  .token.italic {
    font-style: italic;
  }

  .token.entity {
    cursor: help;
  }

  .token.inserted {
    color: green;
  }
}
